{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0xfa9c6f260c7ec7c740d5ba6ef17cf0adbd8e4ad40af129c365d6dfe4fd967d40",
    "signature": "0x7dd1cad136398041ec7ed3ccda4c1048747282fdbd89ebe49d4badf9e64c706e2f1f58ef881829fbdb0ea12161b045645503b9f9ef4990ce9231983de43bf0eb1c",
    "signer": "0xda96A17BA0D35C1921a9252fC5A4e1C7865f4e35",
    "userId": "421395845"
  }
}